ELI5: What technological breakthrough(s) made drones as we know them possible?
Remote control model planes and helicopters have been around for decades, after all.
u/tamsui_tosspot — 10 hours ago
u/tamsui_tosspot
ELI5: If the current coming out of an AC outlet is "alternating," why do some plugs force you to orient them a certain way when inserting?
I would have thought that a device wouldn't "care" which side of an outlet cord carried which current, since the current would be alternating one way and then another.
u/tamsui_tosspot — 2 days ago